package com.itemDevelop.items.itemTest.common.entity;

import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.MappedSuperclass;

/**
 * 统一定义id的entity基类.
 * 
 * 基类统一定义id的属性名称、数据类型、列名映射及生成策略.
 * 子类可重载getId()函数重定义id的列名映射和生成策略.
 */
// JPA 基类的标识
@MappedSuperclass
public abstract class IdEntity extends AuthEntity
{
	private static final long serialVersionUID = 3068928875244478768L;
	protected Long id;

	@Id
	@GeneratedValue(strategy = GenerationType.IDENTITY)
	// @GeneratedValue(strategy = GenerationType.SEQUENCE)
	// @GeneratedValue(generator = "system-uuid")
	// @GenericGenerator(name = "system-uuid", strategy = "uuid")
	public Long getId()
	{
		return id;
	}

	public void setId(Long id)
	{
		this.id = id;
	}
}
